EP3894911A4 - LIGHT CONTROL FILM - Google Patents
LIGHT CONTROL FILM Download PDFInfo
- Publication number
- EP3894911A4 EP3894911A4 EP19894656.8A EP19894656A EP3894911A4 EP 3894911 A4 EP3894911 A4 EP 3894911A4 EP 19894656 A EP19894656 A EP 19894656A EP 3894911 A4 EP3894911 A4 EP 3894911A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- light control
- control film
- film
- light
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/06—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out ultraviolet radiation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S11/00—Non-electric lighting devices or systems using daylight
- F21S11/007—Non-electric lighting devices or systems using daylight characterised by the means for transmitting light into the interior of a building
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/04—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Theoretical Computer Science (AREA)
- Laminated Bodies (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862777822P | 2018-12-11 | 2018-12-11 | |
| PCT/IB2019/060368 WO2020121112A1 (en) | 2018-12-11 | 2019-12-02 | Light control film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3894911A1 EP3894911A1 (en) | 2021-10-20 |
| EP3894911A4 true EP3894911A4 (en) | 2022-08-24 |
Family
ID=71076323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19894656.8A Pending EP3894911A4 (en) | 2018-12-11 | 2019-12-02 | LIGHT CONTROL FILM |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US12174407B2 (en) |
| EP (1) | EP3894911A4 (en) |
| CN (1) | CN113490867B (en) |
| WO (1) | WO2020121112A1 (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11947135B2 (en) | 2017-12-13 | 2024-04-02 | 3M Innovative Properties Company | High transmission light control film |
| WO2020121112A1 (en) | 2018-12-11 | 2020-06-18 | 3M Innovative Properties Company | Light control film |
| WO2020250180A1 (en) | 2019-06-12 | 2020-12-17 | 3M Innovative Properties Company | High transmission light control films with asymmetric light output |
| JP2021089998A (en) * | 2019-12-05 | 2021-06-10 | ソニーセミコンダクタソリューションズ株式会社 | Solid-state image sensor and electronic apparatus |
| EP4445188A1 (en) * | 2021-12-09 | 2024-10-16 | 3M Innovative Properties Company | Coated microstructured films and methods of making same |
| KR102966572B1 (en) | 2021-12-10 | 2026-05-20 | 엘지디스플레이 주식회사 | Method for manufacturing high transmission light control film |
| US12673471B2 (en) * | 2022-01-11 | 2026-07-07 | Technion Research & Development Foundation Limited | Optical element and method of fabricating the same |
| US12596209B2 (en) | 2022-04-29 | 2026-04-07 | 3M Innovative Properties Company | Light control film including optical cavities containing liquid |
| US12560849B2 (en) | 2022-04-29 | 2026-02-24 | 3M Innovative Properties Company | Optical component and light control film including same |
| TWI920488B (en) * | 2022-12-21 | 2026-04-01 | 南韓商Ｌｇ化學股份有限公司 | Light control film and organic light-emitting device comprising the same |
| TWI920489B (en) * | 2022-12-21 | 2026-04-01 | 南韓商Ｌｇ化學股份有限公司 | Light control film and organic lightemitting device |
| DE102023108310A1 (en) | 2023-03-31 | 2024-10-02 | Sionic Smart Glass GmbH | Optical elements as sun protection for windows |
| WO2024209303A1 (en) | 2023-04-07 | 2024-10-10 | 3M Innovative Properties Company | Method of characterizing layer thickness |
| CN116594090A (en) | 2023-04-23 | 2023-08-15 | 苏州晶智铱锘光电科技有限公司 | A viewing angle control film and its preparation method |
| US20250271771A1 (en) * | 2024-02-22 | 2025-08-28 | Kla Corporation | Vacuum ultraviolet light mirror |
| WO2025219822A1 (en) | 2024-04-19 | 2025-10-23 | 3M Innovative Properties Company | Light control film and display system including same |
| DE102024112555A1 (en) | 2024-05-03 | 2025-11-06 | Sionic Smart Glass GmbH | Optical elements for windows, displays, and/or lighting. |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5204160A (en) * | 1988-08-08 | 1993-04-20 | Minnesota Mining And Manufacturing Company | Light-collimating film |
| US20050237611A1 (en) * | 2003-03-20 | 2005-10-27 | Dai Nippon Printing Co., Ltd. | Transmission screen |
| JP2008152017A (en) * | 2006-12-18 | 2008-07-03 | Toyo Ink Mfg Co Ltd | Adhesive optical filter, method for producing the same, and use thereof |
| JP2008304674A (en) * | 2007-06-07 | 2008-12-18 | Toray Ind Inc | Display filter |
| US20150109674A1 (en) * | 2013-10-23 | 2015-04-23 | Ronald Steven Cok | Imprinted micro-louver structure |
| US20160068703A1 (en) * | 2013-05-31 | 2016-03-10 | 3M Innovative Properties Company | Methods of layer by layer self-assembly of polyelectrolyte comprising light absorbing or stabilizing compound and articles |
| US20170108628A1 (en) * | 2014-06-30 | 2017-04-20 | 3M Innovative Properties Company | 360 degree privacy film |
| WO2018097842A1 (en) * | 2016-11-22 | 2018-05-31 | 3M Innovative Properties Company | Spectrally selective light control film |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3524789A (en) | 1967-08-15 | 1970-08-18 | Minnesota Mining & Mfg | Louvered transparent sheeting made by skiving |
| US4601861A (en) | 1982-09-30 | 1986-07-22 | Amerace Corporation | Methods and apparatus for embossing a precision optical pattern in a resinous sheet or laminate |
| US5486949A (en) | 1989-06-20 | 1996-01-23 | The Dow Chemical Company | Birefringent interference polarizer |
| US5254388A (en) | 1990-12-21 | 1993-10-19 | Minnesota Mining And Manufacturing Company | Light control film with reduced ghost images |
| CA2097388A1 (en) | 1992-07-16 | 1994-01-17 | Susan Nord Bohlke | Topographical selective patterns |
| US5882774A (en) | 1993-12-21 | 1999-03-16 | Minnesota Mining And Manufacturing Company | Optical film |
| US5828488A (en) | 1993-12-21 | 1998-10-27 | Minnesota Mining And Manufacturing Co. | Reflective polarizer display |
| US5726443A (en) | 1996-01-18 | 1998-03-10 | Chapman Glenn H | Vision system and proximity detector |
| US5783120A (en) | 1996-02-29 | 1998-07-21 | Minnesota Mining And Manufacturing Company | Method for making an optical film |
| US5825543A (en) | 1996-02-29 | 1998-10-20 | Minnesota Mining And Manufacturing Company | Diffusely reflecting polarizing element including a first birefringent phase and a second phase |
| US6531230B1 (en) | 1998-01-13 | 2003-03-11 | 3M Innovative Properties Company | Color shifting film |
| US6398370B1 (en) * | 2000-11-15 | 2002-06-04 | 3M Innovative Properties Company | Light control device |
| JP4303923B2 (en) | 2002-07-31 | 2009-07-29 | 大日本印刷株式会社 | Visibility improving sheet and display using the same |
| US7018713B2 (en) | 2003-04-02 | 2006-03-28 | 3M Innovative Properties Company | Flexible high-temperature ultrabarrier |
| US7140741B2 (en) | 2003-12-30 | 2006-11-28 | 3M Innovative Properties Company | Color shifting retroreflector and method of making same |
| US7173778B2 (en) | 2004-05-07 | 2007-02-06 | 3M Innovative Properties Company | Stain repellent optical hard coating |
| US7101618B2 (en) | 2004-05-07 | 2006-09-05 | 3M Innovative Properties Company | Article comprising fluorochemical surface layer |
| US7294405B2 (en) | 2004-08-26 | 2007-11-13 | 3M Innovative Properties Company | Antiglare coating and articles |
| US7291386B2 (en) | 2004-08-26 | 2007-11-06 | 3M Innovative Properties Company | Antiglare coating and articles |
| US20060216524A1 (en) | 2005-03-23 | 2006-09-28 | 3M Innovative Properties Company | Perfluoropolyether urethane additives having (meth)acryl groups and hard coats |
| US7467873B2 (en) | 2005-10-14 | 2008-12-23 | 3M Innovative Properties Company | Privacy film |
| US8012567B2 (en) | 2006-01-12 | 2011-09-06 | 3M Innovative Properties Company | Light-collimating film |
| JP2007249052A (en) | 2006-03-17 | 2007-09-27 | Nec Corp | Light control film, illuminator, and display device |
| US7575847B2 (en) | 2006-06-13 | 2009-08-18 | 3M Innovative Properties Company | Low refractive index composition comprising fluoropolyether urethane compound |
| EP2082075B1 (en) | 2006-09-08 | 2017-05-17 | Massachusetts Institute of Technology | Automated layer by layer spray technology |
| JP5093717B2 (en) * | 2006-10-23 | 2012-12-12 | Ｎｌｔテクノロジー株式会社 | Optical element and illumination optical device, display device, and electronic apparatus using the same |
| US8313798B2 (en) | 2009-05-18 | 2012-11-20 | Toyota Motor Engineering & Manufacturing North America, Inc. | Structural colors having UV reflectance via spray layer-by-layer processing |
| EP2208096B1 (en) | 2007-10-16 | 2019-11-27 | 3M Innovative Properties Company | Higher transmission light control film |
| US8213082B2 (en) * | 2007-12-21 | 2012-07-03 | 3M Innovative Properties Company | Light control film |
| WO2009140392A1 (en) | 2008-05-16 | 2009-11-19 | 3M Innovative Properties Company | Light control film with off-axis visible indicia |
| JP5633372B2 (en) | 2008-09-17 | 2014-12-03 | 大日本印刷株式会社 | Optical sheet and image display device |
| KR101207145B1 (en) | 2008-11-27 | 2012-12-04 | 주식회사 엘지화학 | Security film for display device |
| SG172428A1 (en) | 2008-12-30 | 2011-07-28 | 3M Innovative Properties Co | Method for making nanostructured surfaces |
| WO2010090924A2 (en) | 2009-02-06 | 2010-08-12 | 3M Innovative Properties Company | Light control film and multi-layer optical film stack |
| KR101113384B1 (en) * | 2009-04-16 | 2012-03-13 | (주) 에이와케이 | Security filter and manufacturing method thereof |
| JP2012530938A (en) * | 2009-06-18 | 2012-12-06 | スリーエム イノベイティブ プロパティズ カンパニー | Light control film |
| US20110064936A1 (en) | 2009-09-17 | 2011-03-17 | Massachusetts Institute Of Technology | Method of Asymmetrically Functionalizing Porous Materials |
| KR101200772B1 (en) | 2009-10-16 | 2012-11-13 | 삼성코닝정밀소재 주식회사 | Optical filter for display device and display device having the same |
| KR101226226B1 (en) * | 2010-04-22 | 2013-01-28 | 주식회사 엘지화학 | Switchable privacy filter using electrochromic material and preparation method thereof |
| US20130273242A1 (en) | 2012-04-12 | 2013-10-17 | Svaya Nanotechnologies, Inc. | Optical Elements on Textured Surfaces |
| US9829604B2 (en) * | 2012-12-20 | 2017-11-28 | 3M Innovative Properties Company | Method of making multilayer optical film comprising layer-by-layer self-assembled layers and articles |
| US9209230B2 (en) | 2012-12-21 | 2015-12-08 | Samsung Electronics Co., Ltd | Optical films for reducing color shift and organic light-emitting display apparatuses employing the same |
| JP2014142636A (en) | 2012-12-27 | 2014-08-07 | Nitto Denko Corp | Privacy filter |
| KR102067159B1 (en) | 2013-05-24 | 2020-01-16 | 삼성전자주식회사 | Optical film for reducing color shift and organic light emitting display employing the same |
| KR102070410B1 (en) | 2013-06-04 | 2020-01-28 | 삼성전자주식회사 | Optical film for reducing color shift and organic light emitting display employing the same |
| KR102070411B1 (en) | 2013-06-04 | 2020-01-28 | 삼성전자주식회사 | Optical film for reducing color shift and organic light emitting display employing the same |
| KR102099781B1 (en) | 2013-10-15 | 2020-04-10 | 삼성전자주식회사 | Optical film for reducing color shift and organic light emitting display employing the same |
| JP2017504060A (en) | 2013-12-19 | 2017-02-02 | スリーエム イノベイティブ プロパティズ カンパニー | Article comprising self-assembled layer comprising nanoparticles having phosphorus surface treating agent |
| CN106061729A (en) | 2014-03-07 | 2016-10-26 | 3M创新有限公司 | Durable extruded dyed polyester film |
| US9817166B2 (en) | 2014-12-15 | 2017-11-14 | Eastman Chemical Company | Electromagnetic energy-absorbing optical product and method for making |
| US9453949B2 (en) | 2014-12-15 | 2016-09-27 | Eastman Chemical Company | Electromagnetic energy-absorbing optical product and method for making |
| EP3384329B1 (en) | 2015-12-01 | 2022-12-28 | Eastman Chemical Company | Electromagnetic energy-absorbing optical product |
| JP6751566B2 (en) * | 2016-02-15 | 2020-09-09 | 信越ポリマー株式会社 | Light transmission direction control sheet |
| US10948734B2 (en) | 2016-10-28 | 2021-03-16 | 3M Innovative Properties Company | Light control film with varied viewing angle |
| JP7022750B2 (en) | 2016-11-22 | 2022-02-18 | スリーエム イノベイティブ プロパティズ カンパニー | Angle and spectrum selectivity detector and light source system |
| KR20190086467A (en) | 2016-11-22 | 2019-07-22 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | Spectral selective retroreflective system |
| CN110770612A (en) | 2017-06-13 | 2020-02-07 | 3M创新有限公司 | light control film |
| EP3724719B1 (en) | 2017-12-13 | 2025-11-19 | 3M Innovative Properties Company | A method of making a high transmission film |
| WO2020121112A1 (en) | 2018-12-11 | 2020-06-18 | 3M Innovative Properties Company | Light control film |
-
2019
- 2019-12-02 WO PCT/IB2019/060368 patent/WO2020121112A1/en not_active Ceased
- 2019-12-02 US US17/309,603 patent/US12174407B2/en active Active
- 2019-12-02 EP EP19894656.8A patent/EP3894911A4/en active Pending
- 2019-12-02 CN CN201980082268.5A patent/CN113490867B/en active Active
-
2024
- 2024-11-12 US US18/944,494 patent/US20250067914A1/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5204160A (en) * | 1988-08-08 | 1993-04-20 | Minnesota Mining And Manufacturing Company | Light-collimating film |
| US20050237611A1 (en) * | 2003-03-20 | 2005-10-27 | Dai Nippon Printing Co., Ltd. | Transmission screen |
| JP2008152017A (en) * | 2006-12-18 | 2008-07-03 | Toyo Ink Mfg Co Ltd | Adhesive optical filter, method for producing the same, and use thereof |
| JP2008304674A (en) * | 2007-06-07 | 2008-12-18 | Toray Ind Inc | Display filter |
| US20160068703A1 (en) * | 2013-05-31 | 2016-03-10 | 3M Innovative Properties Company | Methods of layer by layer self-assembly of polyelectrolyte comprising light absorbing or stabilizing compound and articles |
| US20150109674A1 (en) * | 2013-10-23 | 2015-04-23 | Ronald Steven Cok | Imprinted micro-louver structure |
| US20170108628A1 (en) * | 2014-06-30 | 2017-04-20 | 3M Innovative Properties Company | 360 degree privacy film |
| WO2018097842A1 (en) * | 2016-11-22 | 2018-05-31 | 3M Innovative Properties Company | Spectrally selective light control film |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2020121112A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113490867B (en) | 2025-02-21 |
| CN113490867A (en) | 2021-10-08 |
| WO2020121112A1 (en) | 2020-06-18 |
| US12174407B2 (en) | 2024-12-24 |
| EP3894911A1 (en) | 2021-10-20 |
| US20250067914A1 (en) | 2025-02-27 |
| US20220019007A1 (en) | 2022-01-20 |
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